CVE-2021-34409

Published on: 09/27/2021 12:00:00 AM UTC

Last Modified on: 12/14/2021 08:15:00 PM UTC

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

Certain versions of Meetings from Zoom contain the following vulnerability:

It was discovered that the installation packages of the Zoom Client for Meetings for MacOS (Standard and for IT Admin) installation before version 5.2.0, Zoom Client Plugin for Sharing iPhone/iPad before version 5.2.0, and Zoom Rooms for Conference before version 5.1.0, copy pre- and post- installation shell scripts to a user-writable directory. In the affected products listed below, a malicious actor with local access to a user's machine could use this flaw to potentially run arbitrary system commands in a higher privileged context during the installation process.

  • CVE-2021-34409 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as HIGH severity.
  • Affected Vendor/Software: URL Logo Zoom Video Communications Inc - Zoom Client for Meetings for MacOS (Standard and for IT Admin) version < 5.2.0
  • Affected Vendor/Software: URL Logo Zoom Video Communications Inc - Zoom Client Plugin for Sharing iPhone/iPad version < 5.2.0
  • Affected Vendor/Software: URL Logo Zoom Video Communications Inc - Zoom Rooms for Conference version < 5.1.0

CVSS3 Score: 7.8 - HIGH

Attack
Vector
Attack
Complexity
Privileges
Required
User
Interaction
LOCAL LOW LOW NONE
Scope Confidentiality
Impact
Integrity
Impact
Availability
Impact
UNCHANGED HIGH HIGH HIGH

CVSS2 Score: 7.2 - HIGH

Access
Vector
Access
Complexity
Authentication
LOCAL LOW NONE
Confidentiality
Impact
Integrity
Impact
Availability
Impact
COMPLETE COMPLETE COMPLETE

CVE References

Description Tags Link
CWE - CWE-379: Creation of Temporary File in Directory with Insecure Permissions (4.4) cwe.mitre.org
text/html
URL Logo MISC cwe.mitre.org/data/definitions/379.html
Security Bulletin | Zoom explore.zoom.us
text/html
URL Logo CONFIRM explore.zoom.us/en/trust/security/security-bulletin/
Security Bulletin | Zoom explore.zoom.us
text/html
URL Logo MISC explore.zoom.us/en/trust/security/security-bulletin

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
ApplicationZoomMeetingsAllAllAllAll
  • cpe:2.3:a:zoom:meetings:*:*:*:*:*:macos:*:*:

Discovery Credit

Lockheed Martin Red Team

Social Mentions

Source Title Posted (UTC)
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